Demographics
BFS · 2025Women
1'161 48.7%
Men
1'221 51.3%
Children & youth (0–19)
473 19.9%
Swiss citizens
1'620 68.0%
Foreign residents
762 32.0%
Population density
254 pop./km²
0–19 · 473 · 19.9%20–64 · 1'513 · 63.5%65+ · 396 · 16.6%
Foreign residents 32.0%0%64.0%
Population change 2025: −24 (−1%) · 19 births · 10 deaths · net migration −33
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026 · swisstopo, retrieved 24.09.2026 · BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026
27.09.2026Popular Initiative 'For food security – through increased sustainable domestic production, more plant-based food and clean drinking water (Food Initiative)'Federal● Rejected · 27.5% YesDistrict Bezirk Gäu: 19.4% Yes
18.9% YesNo 81.2%
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Gäu: 32.5% Yes
35.1% YesNo 64.9%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Gäu: 64.0% Yes
64.1% YesNo 35.9%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Gäu: 62.1% Yes
64.0% YesNo 36.0%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Gäu: 50.2% Yes
52.4% YesNo 47.6%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Gäu: 50.6% Yes
52.3% YesNo 47.7%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Gäu: 48.6% Yes
48.2% YesNo 51.8%
08.03.2026Popular Initiative ‘For a fair energy and climate policy: Investing for prosperity, jobs and the environment (Climate Fund Initiative)’Federal● Rejected · 29.3% YesDistrict Bezirk Gäu: 16.6% Yes
16.7% YesNo 83.3%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Gäu: 46.6% Yes
46.5% YesNo 53.5%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Gäu: 43.2% Yes
46.6% YesNo 53.4%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026
Politics
National Council election 2023SVP35.2% · strongest party
SVP35.2%
Mitte27.1%
FDP12.9%
SP9.8%
GRÜNE5.7%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier107%
Cantonal tax multiplier104%
107%SO range 65%145%
Tax rank 11 of 104 in canton SolothurnTax burden
Single, 100'000 CHF gross income
15'829 CHF(15.8%)
Rank 11 of 104 in the canton · 1201 of 2110 in Switzerland
Median canton 16'810 CHF · median Switzerland 15'290 CHF
Cheapest Kammersrohr 13'027 CHF · most expensive Bolken 18'375 CHF
100'000 CHF:15'829 CHF(~15.8%)
OberbuchsitenCanton range SolothurnSwitzerland median
Show data table
| Gross income | Oberbuchsiten | Solothurn | Switzerland median |
|---|---|---|---|
| 40'000 | 7.5% | 6.1–8.8% | 5.4% |
| 50'000 | 9.7% | 7.9–11.4% | 7.8% |
| 60'000 | 11.5% | 9.4–13.5% | 10.5% |
| 70'000 | 12.9% | 10.5–15.1% | 11.9% |
| 80'000 | 14% | 11.5–16.3% | 13.1% |
| 90'000 | 14.9% | 12.2–17.3% | 14.1% |
| 100'000 | 15.8% | 13–18.4% | 15.3% |
| 110'000 | 16.7% | 13.8–19.3% | 16.3% |
| 120'000 | 17.4% | 14.4–20.1% | 17.2% |
| 130'000 | 18.1% | 15.1–20.9% | 18.1% |
| 140'000 | 18.9% | 15.7–21.8% | 19% |
| 150'000 | 19.6% | 16.4–22.5% | 19.7% |
| 175'000 | 21.2% | 17.8–24.3% | 21.6% |
| 200'000 | 22.6% | 19.1–25.8% | 23.2% |
| 225'000 | 23.8% | 20.1–27% | 24.6% |
| 250'000 | 24.8% | 21.1–28.2% | 25.8% |
| 275'000 | 25.7% | 21.9–29.1% | 26.8% |
| 300'000 | 26.4% | 22.5–29.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–20209 °C
Precipitation 1991–20201'127 mm
9 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
987 m
Mean elevation
609 m
Relief
553 m
Mean slope
12.4°
Flat share
31.8%
South-facing
33.3%
Above 2000 m
0.0%
Relief 553 m0 m3'847 m
Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.
swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026
Roof potential
23.3 GWh/yr
Roofs + façades
29.2 GWh/yr
≈ households powered
5'200
Per inhabitant
9'782 kWh/yr
23 GWh/yr01'133 GWh/yr
BFE solar factsheet ↗Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).
Swiss Federal Office of Energy (SFOE), retrieved 24.09.2026
Electricity
ElCom · 2027Tariff H4
26.67 Rp./kWh
Energy
10.95 Rp./kWh
Grid usage
11.18 Rp./kWh
Levies + grid surcharge
2.8 Rp./kWh
26.67 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Elektrizitätsversorgung Oberbuchsiten
ElCom tariff comparison ↗How this is measured
Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.
2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026
Health-insurance premiums
BAG · 2024Standard model, deductible 300606 CHF/mo
Ø premium in canton Solothurn424 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo
Premiums are set not per municipality but per canton and premium region. Shown is the average adult premium paid in canton Solothurn (2024, BAG) — it applies canton-wide, not to any single location.
2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026
Housing
BFS · AREVacancy rate
1.3 %
Second homes
12.1 %
Avg. rooms
4
Dwellings
1'158
Built before 194625.0%
Built since 200126.0%
1.3 %0 %12 %
Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.
Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Dwelling inventory and second-home share 2026 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026
Economy
BFS · 2024Jobs
826
Workplaces
133
Services share
89.1 %
Jobs by sector: Primary 13 (1.6%) · Secondary 77 (9.3%) · Tertiary 736 (89.1%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
5
Organic share
40 %
Farmland
120 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026
Accessibility
ARE · NPVMNational Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026
Municipality
Wikidata · CC0Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities2'382 #39 SO · #875 CHGrowing municipalities-1% #86 SO · #1810 CHShrinking municipalities-1% #19 SO · #300 CHJobs per resident0.35 #39 SO · #1041 CHFamilies & children19.9% #46 SO · #1179 CHAge structure16.6% #103 SO · #1829 CHWomen share48.7% #78 SO · #1638 CHForeign residents32% #14 SO · #231 CHPopulation density254/km² #58 SO · #875 CHTax burden15'829 #12 SO · #1202 CHTaxes107% #11 SOWarmest municipalities9 °C #78 SO · #1364 CHSunniest municipalities40.8% #26 SO · #1487 CHRainiest municipalities1'127 mm #41 SO · #941 CHVoter turnout49.8% #85 SO · #1795 CHAgainst Switzerland19.6% #15 SO · #541 CHAligned with Switzerland80.4% #61 SO · #894 CHSVP strongholds35.2% #29 SO · #956 CHSP strongholds9.8% #74 SO · #1540 CHCentre strongholds27.1% #20 SO · #300 CHFDP strongholds12.9% #79 SO · #1040 CHGLP strongholds5.3% #58 SO · #1123 CHGreen strongholds5.7% #71 SO · #1402 CHLargest by area9.4 km² #24 SO · #1008 CHHighest municipalities471 m #56 SO · #1378 CHSecond homes12.1% #22 SO · #888 CHOrganic farming40% #6 SO · #196 CHBest-connected municipalities64 min #53 SO · #908 CHRemotest municipalities64 min #51 SO · #1201 CHHighest peaks987 m #23 SO · #741 CHHighest-lying municipalities609 m #31 SO · #977 CHGreatest vertical range553 m #21 SO · #652 CHSteepest municipalities12.4° #36 SO · #735 CHSolar potential23 GWh #37 SO · #899 CHSolar potential per capita9'782 kWh #46 SO · #1103 CHCheapest electricity26.67 Rp./kWh #34 SO · #1072 CHMost expensive electricity26.67 Rp./kWh #71 SO · #1035 CH
Postal codes (4)
swisstopoLocalities
swisstopo · 4Nearby municipalities
swisstopo- What is the postal code of Oberbuchsiten?
- Oberbuchsiten has 4 postal codes: 4623, 4625, 4626, 4718.
- What is the tax rate in Oberbuchsiten?
- The municipal tax multiplier of Oberbuchsiten is 107% (2026); canton SO levies 104%.
- How much tax do you pay in Oberbuchsiten?
- A single person without children pays about 15'829 CHF income tax in Oberbuchsiten on 100'000 CHF gross income (federal, cantonal, municipal), rank 11 of 104 in canton SO. Source: ESTV (2026).
- How many residents does Oberbuchsiten have?
- Oberbuchsiten has 2'382 residents (2025).
- How many foreign residents live in Oberbuchsiten?
- Oberbuchsiten has 762 foreign residents, a share of 31.99% (2025).
Map
OpenStreetMapOberbuchsiten compared with
- Oberbuchsiten vs. Olten
- Oberbuchsiten vs. Grenchen
- Oberbuchsiten vs. Solothurn
- Oberbuchsiten vs. Zuchwil
- Oberbuchsiten vs. Biberist
- Oberbuchsiten vs. Derendingen
- Oberbuchsiten vs. Trimbach
- Oberbuchsiten vs. Dornach
- Oberbuchsiten vs. Oensingen
- Oberbuchsiten vs. Balsthal
- Oberbuchsiten vs. Olten
- Oberbuchsiten vs. Grenchen
- Oberbuchsiten vs. Solothurn
- Oberbuchsiten vs. Zuchwil
- Oberbuchsiten vs. Biberist
- Oberbuchsiten vs. Derendingen
- Oberbuchsiten vs. Trimbach
- Oberbuchsiten vs. Dornach
- Oberbuchsiten vs. Oensingen
- Oberbuchsiten vs. Balsthal
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